This step is required to implement console as builtin which calls console delegate methods.

BUG=v8:6175
R=dgozman@chromium.org

Review-Url: https://codereview.chromium.org/2783073002
Cr-Original-Commit-Position: refs/heads/master@{#44283}
Committed: https://chromium.googlesource.com/v8/v8/+/fe27dccd873024213b16d1e9810dda6a6c705571
Review-Url: https://codereview.chromium.org/2783073002
Cr-Commit-Position: refs/heads/master@{#44285}